{"product_id":"sporlan-108619-sbfse-a-zp-expansion-valve","title":"Sporlan 108619 SBFSE-A-ZP Expansion Valve","description":"\u003cp\u003eThe \u003cstrong\u003eSporlan 108619 SBFSE-A-ZP\u003c\/strong\u003e is a balanced ported, \u003cstrong\u003ethermostatic expansion valve\u003c\/strong\u003e (TXV) engineered for high-performance modulation in medium to low-temperature refrigeration systems using \u003cstrong\u003eR-404A\u003c\/strong\u003e or \u003cstrong\u003eR-502\u003c\/strong\u003e. Designed with a \u003cstrong\u003e3x4 ODF solder connection\u003c\/strong\u003e, this valve provides precise superheat control across a nominal capacity range of \u003cstrong\u003e1\/2 to 1 ton\u003c\/strong\u003e. The \u003cstrong\u003eZP charge\u003c\/strong\u003e is specifically calibrated for pressure-limiting applications, protecting the compressor motor from overload during high-load periods or startup scenarios. The \u003cstrong\u003eSBFSE series\u003c\/strong\u003e utilizes a stainless steel power element and a \u003cstrong\u003ebalanced port design\u003c\/strong\u003e that compensates for varying head pressures, ensuring consistent evaporator feeding. For contractors, this means improved system stability and reduced hunting, even in systems subject to significant ambient temperature fluctuations or varying load conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Advantages\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSBFSE series balanced port construction\u003c\/strong\u003e maintains accurate flow control despite fluctuations in liquid temperature or pressure drop across the valve.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eZP thermostatic charge\u003c\/strong\u003e provides a critical Maximum Operating Pressure (MOP) function to prevent suction pressure spikes.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBi-directional flow capability\u003c\/strong\u003e allows for versatile installation in heat pump or complex refrigeration cycles.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e3\/8\" x 1\/2\" ODF connections\u003c\/strong\u003e ensure a secure, leak-proof \u003cstrong\u003esolder joint\u003c\/strong\u003e for standard refrigeration piping.\u003c\/li\u003e\n    \u003cli\u003eCorrosion-resistant \u003cstrong\u003estainless steel diaphragm\u003c\/strong\u003e and power element provide long-term reliability in harsh mechanical environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eCommon Installation Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the ZP charge protect the compressor?\u003c\/strong\u003e\u003cbr\u003e\nThe ZP charge acts as a pressure-limiting element. Once the suction pressure reaches a predetermined limit, the valve throttles the flow, preventing the compressor motor from exceeding its rated amperage during pull-down.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan this valve be used with R-448A or R-449A?\u003c\/strong\u003e\u003cbr\u003e\nWhile designed for \u003cstrong\u003eR-404A\u003c\/strong\u003e and R-502, some technicians use these in retrofit scenarios; however, superheat adjustments are necessary to account for the different pressure-temperature relationships of HFO blends.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs the internal check valve feature standard?\u003c\/strong\u003e\u003cbr\u003e\nYes, the SBFSE series includes an internal check valve, making it suitable for bypass flow in reverse cycle applications without additional external piping.\u003c\/p\u003e\n\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"Sporlan","offers":[{"title":"Default Title","offer_id":35650328012,"sku":"108619","price":390.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/files\/Image_4eff665a-23c5-443b-b6ad-4a9eda0a00cd.png?v=1786659868","url":"https:\/\/www.gsistore.com\/en-ca\/products\/sporlan-108619-sbfse-a-zp-expansion-valve","provider":"GSIstore","version":"1.0","type":"link"}